Some documents shouldn't be printable. Confidential strategy memos. Reports with watermarked distribution. Internal materials you want kept on screen.
Print protection works the same way as copy protection — a permission flag plus a password.
Set print restriction
Password-protect the PDF with an owner password. In the permissions, disable printing. Most readers respect the flag and grey out the Print option.
The document still opens for reading. Only printing is blocked.
Limits of print protection
Same limits as copy protection. Stops casual printing; doesn't stop: - Screenshots and then printing the screenshots - Specialised tools that bypass permissions - Print-to-PDF in some readers, which can then be printed
For truly print-sensitive content, watermark with the viewer's name as additional deterrent.
Combine with watermarking
If someone really wants to print, they can usually find a way. Watermark each PDF with the recipient's identity. Now if it shows up on paper somewhere, you know how it leaked.
Personalised watermarks are stronger than blanket print protection.
FAQ
Will print protection work on all readers?
Most modern readers respect it. Some lightweight or open-source readers ignore permission flags entirely.
Can I allow low-quality printing only?
Yes — some permission systems allow "low resolution only". Useful for proofs you want viewable but not commercially printable.
What about print-to-PDF as a workaround?
Some readers honour the no-print flag for print-to-PDF too. Others don't. If absolute prevention matters, expect workarounds.
Is print protection legal?
The protection itself isn't legal — bypassing it might violate terms of use in some contexts. Doesn't make a document unprintable in practice.
Print protection is a deterrent against casual printing. For real control, combine with recipient-specific watermarks and proper password protection.